The students explain that the highlight of their system is in its simplicity: The seat-cleaning system requires no expensive chemicals, no rotating seat sleeves, not even an electrical hookup, the article stated.

According to the article, the system works like a mini-carwash that descends on the toilet seat when the lid is lowered.

The Purdue-made system is different from the high-tech rotating sleeves on toilet seats at O''Hare, Chicago Union Station and other public restrooms because those run on electricity or battery power, and the so-called Poseidon IV operates using water pressure in the restroom plumbing, the article noted.